import cv2

class ZH_Rec:
    def __init__(self,*args,**kwargs):
        pass

    def __call__(self, im):
        '''

        :param im: numpy
        :return: string
        '''
        pass


if __name__=='__main__':
    model=ZH_Rec()
    im=cv2.imread('1.jpg')
    res=model(im)